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Grade Ti-Pd8A Titanium vs. 2017A Aluminum

Grade Ti-Pd8A titanium belongs to the titanium alloys classification, while 2017A aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd8A titanium and the bottom bar is 2017A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 13
2.2 to 14
Fatigue Strength, MPa 260
92 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 500
200 to 460
Tensile Strength: Yield (Proof), MPa 430
110 to 290

Thermal Properties

Latent Heat of Fusion, J/g 420
390
Maximum Temperature: Mechanical, °C 320
220
Melting Completion (Liquidus), °C 1660
650
Melting Onset (Solidus), °C 1610
510
Specific Heat Capacity, J/kg-K 540
880
Thermal Conductivity, W/m-K 21
150
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.5
34
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
100

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 49
8.2
Embodied Energy, MJ/kg 840
150
Embodied Water, L/kg 520
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 65
6.7 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 880
90 to 570
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 31
19 to 42
Strength to Weight: Bending, points 31
26 to 44
Thermal Diffusivity, mm2/s 8.6
56
Thermal Shock Resistance, points 39
8.9 to 20

Alloy Composition


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Aluminum (Al), % 0
91.3 to 95.5
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
3.5 to 4.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.7
Magnesium (Mg), % 0
0.4 to 1.0
Manganese (Mn), % 0
0.4 to 1.0
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.4
0
Palladium (Pd), % 0.12 to 0.3
0
Silicon (Si), % 0
0.2 to 0.8
Titanium (Ti), % 98.8 to 99.9
0 to 0.25
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.4
0 to 0.15